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==Bacteriorhodopsin ground state structure collected in cryo conditions from crystals obtained in LCP with PEG as a precipitant.== | ==Bacteriorhodopsin ground state structure collected in cryo conditions from crystals obtained in LCP with PEG as a precipitant.== | ||
<StructureSection load='4x32' size='340' side='right' caption='[[4x32]], [[Resolution|resolution]] 1.90Å' scene=''> | <StructureSection load='4x32' size='340' side='right'caption='[[4x32]], [[Resolution|resolution]] 1.90Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[4x32]] is a 1 chain structure with sequence from [ | <table><tr><td colspan='2'>[[4x32]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Halobacterium_salinarum_NRC-1 Halobacterium salinarum NRC-1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4X32 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4X32 FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=LI1:1-[2,6,10.14-TETRAMETHYL-HEXADECAN-16-YL]-2-[2,10,14-TRIMETHYLHEXADECAN-16-YL]GLYCEROL'>LI1</scene>, <scene name='pdbligand=RET:RETINAL'>RET</scene></td></tr> | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9Å</td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=LI1:1-[2,6,10.14-TETRAMETHYL-HEXADECAN-16-YL]-2-[2,10,14-TRIMETHYLHEXADECAN-16-YL]GLYCEROL'>LI1</scene>, <scene name='pdbligand=RET:RETINAL'>RET</scene></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4x32 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4x32 OCA], [https://pdbe.org/4x32 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4x32 RCSB], [https://www.ebi.ac.uk/pdbsum/4x32 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4x32 ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Function == | == Function == | ||
[ | [https://www.uniprot.org/uniprot/BACR_HALSA BACR_HALSA] Light-driven proton pump. | ||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Lipidic cubic phases (LCPs) have emerged as successful matrixes for the crystallization of membrane proteins. Moreover, the viscous LCP also provides a highly effective delivery medium for serial femtosecond crystallography (SFX) at X-ray free-electron lasers (XFELs). Here, the adaptation of this technology to perform serial millisecond crystallography (SMX) at more widely available synchrotron microfocus beamlines is described. Compared with conventional microcrystallography, LCP-SMX eliminates the need for difficult handling of individual crystals and allows for data collection at room temperature. The technology is demonstrated by solving a structure of the light-driven proton-pump bacteriorhodopsin (bR) at a resolution of 2.4 A. The room-temperature structure of bR is very similar to previous cryogenic structures but shows small yet distinct differences in the retinal ligand and proton-transfer pathway. | |||
Lipidic cubic phase serial millisecond crystallography using synchrotron radiation.,Nogly P, James D, Wang D, White TA, Zatsepin N, Shilova A, Nelson G, Liu H, Johansson L, Heymann M, Jaeger K, Metz M, Wickstrand C, Wu W, Bath P, Berntsen P, Oberthuer D, Panneels V, Cherezov V, Chapman H, Schertler G, Neutze R, Spence J, Moraes I, Burghammer M, Standfuss J, Weierstall U IUCrJ. 2015 Jan 27;2(Pt 2):168-76. doi: 10.1107/S2052252514026487. eCollection, 2015 Mar 1. PMID:25866654<ref>PMID:25866654</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 4x32" style="background-color:#fffaf0;"></div> | |||
==See Also== | ==See Also== | ||
*[[Bacteriorhodopsin|Bacteriorhodopsin]] | *[[Bacteriorhodopsin 3D structures|Bacteriorhodopsin 3D structures]] | ||
== References == | |||
<references/> | |||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Halobacterium salinarum | [[Category: Halobacterium salinarum NRC-1]] | ||
[[Category: Large Structures]] | |||
[[Category: Nogly P]] | |||
[[Category: Standfuss J]] | |||
[[Category: | |||
[[Category: | |||
[[Category: | |||
Latest revision as of 13:46, 10 January 2024
Bacteriorhodopsin ground state structure collected in cryo conditions from crystals obtained in LCP with PEG as a precipitant.Bacteriorhodopsin ground state structure collected in cryo conditions from crystals obtained in LCP with PEG as a precipitant.
Structural highlights
FunctionBACR_HALSA Light-driven proton pump. Publication Abstract from PubMedLipidic cubic phases (LCPs) have emerged as successful matrixes for the crystallization of membrane proteins. Moreover, the viscous LCP also provides a highly effective delivery medium for serial femtosecond crystallography (SFX) at X-ray free-electron lasers (XFELs). Here, the adaptation of this technology to perform serial millisecond crystallography (SMX) at more widely available synchrotron microfocus beamlines is described. Compared with conventional microcrystallography, LCP-SMX eliminates the need for difficult handling of individual crystals and allows for data collection at room temperature. The technology is demonstrated by solving a structure of the light-driven proton-pump bacteriorhodopsin (bR) at a resolution of 2.4 A. The room-temperature structure of bR is very similar to previous cryogenic structures but shows small yet distinct differences in the retinal ligand and proton-transfer pathway. Lipidic cubic phase serial millisecond crystallography using synchrotron radiation.,Nogly P, James D, Wang D, White TA, Zatsepin N, Shilova A, Nelson G, Liu H, Johansson L, Heymann M, Jaeger K, Metz M, Wickstrand C, Wu W, Bath P, Berntsen P, Oberthuer D, Panneels V, Cherezov V, Chapman H, Schertler G, Neutze R, Spence J, Moraes I, Burghammer M, Standfuss J, Weierstall U IUCrJ. 2015 Jan 27;2(Pt 2):168-76. doi: 10.1107/S2052252514026487. eCollection, 2015 Mar 1. PMID:25866654[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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